From b4fd4a0c3885788efd79125102e5a22043a8508b Mon Sep 17 00:00:00 2001
From: xushiwei <x@goplus.org>
Date: Sat, 22 Jun 2024 09:14:10 +0800
Subject: [PATCH] cppintf: c++ name

---
 _demo/cppintf/cppintf.go      | 1 +
 _demo/cppintf/foo/bar/bar.cpp | 4 ++++
 _demo/cppintf/foo/foo.go      | 3 +++
 3 files changed, 8 insertions(+)

diff --git a/_demo/cppintf/cppintf.go b/_demo/cppintf/cppintf.go
index 9d2475c86..634f99493 100644
--- a/_demo/cppintf/cppintf.go
+++ b/_demo/cppintf/cppintf.go
@@ -34,4 +34,5 @@ func (p *Bar) sqrt(v float64) float64 {
 func main() {
 	bar := NewBar(1)
 	foo.F(&bar.Callback)
+	foo.G(&bar.Callback)
 }
diff --git a/_demo/cppintf/foo/bar/bar.cpp b/_demo/cppintf/foo/bar/bar.cpp
index f6a8fa5fd..5e226c266 100644
--- a/_demo/cppintf/foo/bar/bar.cpp
+++ b/_demo/cppintf/foo/bar/bar.cpp
@@ -9,3 +9,7 @@ interface ICallback {
 extern "C" void f(ICallback* cb) {
 	printf("val: %d\ncalc(2): %lf\n", cb->val(), cb->calc(2));
 }
+
+void g(ICallback* cb) {
+	f(cb);
+}
diff --git a/_demo/cppintf/foo/foo.go b/_demo/cppintf/foo/foo.go
index eeeb2349f..ebd047ef2 100644
--- a/_demo/cppintf/foo/foo.go
+++ b/_demo/cppintf/foo/foo.go
@@ -20,3 +20,6 @@ type CallbackVtbl struct {
 
 //go:linkname F C.f
 func F(cb *Callback)
+
+//go:linkname G C._Z1gP9ICallback
+func G(cb *Callback)